摘要：Having checked the doors were closed, and all the lights were off, the boy opened the door to his bedroom.A. why B. that C. when D. where[解析]B本题考查宾语从句的连接代词.that 引导的宾语从句.若有两个或两个以上.只有第一个that可以省略.Having checked the doors were closed中省略了that.
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Having checked the doors were closed , and _________ all the lights were off, the boy opened the door to his bedroom.
A. why B. that C. when D. where
查看习题详情和答案>>Having checked the doors were closed , and _________ all the lights were off, the boy opened the door to his bedroom.
A. why B. that C. when D. where
查看习题详情和答案>>Having checked the doors were closed,and_______all the lights were off,the boy opened the door to his bedroom.
A.why B.that
C.when D.where
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